#egg  animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
  supertype:  ovum__egg_cell__eggcell  the female reproductive cell; the female gamete
  part:  chalaza  yolk
  subtype:  nit  egg or young of an insect parasitic on mammals especially a sucking louse; often attached to a hair or item of clothing
  subtype:  spawn  the mass of eggs deposited by fish or amphibians or molluscs
     subtype:  roe.spawn  the egg mass or spawn of certain crustaceans such as the lobster
  subtype:  roe  the eggs or egg-laden ovary of a fish
  subtype:  silkworm_seed  eggs of a silkworm
  subtype:  roe.egg  eggs of female fish

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